CVE-2018-25250 | Last User's Threads in Profile Plugin 1.2 on MyBB subject cross site scripting (Exploit 44339 / EUVD-2018-21752)

VDB-355373 · CVE-2018-25250 · EXPLOIT 44339 LAST USER'S THREADS IN PROFILE PLUGIN 1.2 ON MYBB SUBJECT CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 1.29 Summaryinfo A vulnerability marked as problematic has been reported in Last User's Threads in Profile Plugin 1.2 on MyBB. The impacted element is an unknown function. The manipulation of the argument subject leads to cross site scripting. This vulnerability is listed as CVE-2018-25250. The attack may be initiated remotely. In addition, an exploit is available. Detailsinfo A vulnerability was found in Last User's Threads in Profile Plugin 1.2 on MyBB. It has been rated as problematic. This issue affects an unknown code. The manipulation of the argument subject with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is: MyBB Last User's Threads in Profile Plugin 1.2 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by crafting thread subjects with script tags. Attackers can create threads with script payloads in the subject field that execute when users visit the attacker's profile page. The weakness was presented by 0xB9 as 44339. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2018-25250 since 04/04/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. The exploit is available at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the databases at Exploit-DB (44339) and EUVD (EUVD-2018-21752). Productinfo Name Last User's Threads in Profile Plugin Version 1.2 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.2 VulDB Base Score: 3.5 VulDB Temp Score: 3.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.2 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days CVE reserved 04/04/2026 +0 days VulDB entry created 04/04/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 44339 Researcher: 0xB9 Status: Not defined CVE: CVE-2018-25250 (🔒) GCVE (CVE): GCVE-0-2018-25250 GCVE (VulDB): GCVE-100-355373 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 19:50 Updated: 04/04/2026 21:15 Changes: 04/04/2026 19:50 (80), 04/04/2026 21:15 (1) Complete: 🔍 Cache ID: 99:CE9:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸